How varying condenser coolant flow rate affects chiller performance: Thermodynamic modeling and experimental confirmation

J. M. Gordon*, Kim Choon NG, H. T. Chua, C. K. Lim

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

Although most commercial chillers are designed and installed to operate at constant coolant flow rates, one can alter the power consumption of their compressors by modifying the design to incorporate variable coolant flow rates. The issue addressed here is how to model that explicit flow-rate dependence within an analytic chiller model. We expand our earlier thermodynamic model to explicitly account for the influence of condenser coolant flow rate, and validate model predictions against an extensive set of experimental measurements from a large commercial centrifugal chiller.

Original languageEnglish (US)
Pages (from-to)1149-1159
Number of pages11
JournalApplied Thermal Engineering
Volume20
Issue number13
DOIs
StatePublished - Sep 1 2000

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Industrial and Manufacturing Engineering

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